Calligraphy Toolbar

The Calligraphy Toolbar is a set of graphical widgets used to draw lines with calligraphics effects .

Overview

Functions:

• Profile Manager
• Width: The width of the calligraphic pen (relative to the visible canvas area)
• Trace Backgrounds: Trace the lightness of the background by the width of the pen (white - minimum width, black - maximum width)
• Pressure: Use the pressure of the input device to alter the width of the pen
• Thinning: How much velocity thins the stroke (> 0 makes fast strokes thinner, < 0 makes them broader, 0 makes width independent of velocity)
• Angle: The angle of the pen's nib (in degrees; 0 = horizontal; has no effect if fixation = 0)
• Tilt: Use the tilt of the input device to alter the angle of the pen's nib
• Fixation: Angle behavior (0 = nib always perpendicular to stroke direction, 100 = fixed angle)
• Caps: Increase to make caps at the ends of strokes protrude more (0 = no caps, 1 = round caps)
• Tremor: Increase to make strokes rugged and trembling
• Wiggle: Increase to make the pen waver and wiggle
• Mass: Increase to make the pen drag behind, as if slowed by inertia

Preferences

• /tools/calligraphic/angle: Angle parameter as Double
• /tools/calligraphic/cap_rounding: Caps parameter as Double
• /tools/calligraphic/flatness: Fixation parameter as Double
• /tools/calligraphic/mass: Mass parameter as Double
• /tools/calligraphic/thinning: Thinning parameter as Double
• /tools/calligraphic/tracebackground: Trace Background parameter as Boolean
• /tools/calligraphic/tremor: Tremor parameter as Double
• /tools/calligraphic/usepressure: Pressure parameter as Boolean
• /tools/calligraphic/usetilt: Tilt parameter as Boolean
• /tools/calligraphic/width: Width parameter as Double
• /tools/calligraphic/wiggle: Wiggle parameter as Double

See also each of those parameters in /tools/calligraphic/preset.

Actual behaviours:

• Parameters are stored in Preferences
• No default value system looks to be provided

Implementation

• src/widgets/toolbox.cpp
• src/widgets/calligraphy-toolbar.cpp
• src/widgets/calligraphy-toolbar.h

Linked bugs, blueprints and wishlists

• Blueprints
• Bugs, Works in progress and Wishlists